☆ Impedance: 16Ω ± 15% ☆ Sensitivity: 98 dB ± 3dB ☆ Driver Size:9mm ☆ Frequency Range: 20Hz-20000Hz ☆ Plug-Type: 3.5mm Gold-plated ☆ Cable Length:1.2m The strong 9mm Neodymium magnet driver provides outstanding audio clarity. Together with the in-ear design, M400 reduces ambient noise to a minimum, and minimizes sound leakages significantly. Included set of ear-adapters guarantees an individualized fit with three sizes to choose from. In addition, with slightly smaller headphone ear shell, M400 fit for both men and women. These are the earphones you've been looking for. Brand No Brand SKU OT776EL1G86Q8NAFAMZ-27294 Model Langsdom M400